Anisotropy in multi-offset deep-crustal seismic experiments

Geophysical Journal International

Volumn 138, Issue 2, 1999, Pages 300-318

  Jones, K ^a   Warner, M ^a   Brittan, J ^a,b  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b PGS Tensor UK Ltd   (United Kingdom)

Author keywords

Anisotropy; Deep seismic data; Moho; Seismic velocity; Wide angle data

Indexed keywords

ANISOTROPY; CRUSTAL STRUCTURE; ERROR CORRECTION; SEISMIC DATA;

EID: 0032733913     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.1999.00829.x     Document Type: Article

References (39)

1. BABEL Working Group, 1993. Integrated seismic studies of the Baltic Shield using data in the Gulf of Bothnia region, Geophys. J. Int., 112, 305-324.
2. Backus, G.E., 1962. Long-wave elastic anisotropy produced by horizontal layering, J. geophys. Res., 67, 4427-4440.
3. Barton, P. & Wood, R., 1984. Tectonic evolution of the North Sea Basin: crustal stretching and subsidence, Geophys. J. R. astr. Soc., 79, 987-1022.
4. Berge, P.A., 1995. Constraints on elastic parameters and implications for lithology in VTI media, in 65th Ann. Int. Mtg, Soc. Expl. Geophys., Expanded Abstracts, Vol. 95, pp. 906-909, SEG, Tulsa, OK.
5. Berryman, J.G., 1979. Long wave elastic anisotropy in transversely isotropic media, Geophysics, 44, 896-917.
6. Booth, D.C. & Crampin, S., 1980. Calculating synthetic seismograms in anisotropic media by the reflectivity technique; theory, Inst. Geol. Sci., GSU internal report No. 133.
7. Brittan, J. & Warner, M., 1996. Seismic velocity, heterogeneity and the composition of the lower crust, Tectonophysics, 264, 249-259.
8. Cheadle, S.P., Brown, R.J. & Lawton, D.C., 1991. Orthorhombic media: a physical modelling study, Geophysics, 56, 1603-1613.
9. Crampin, S., 1981. A review of wave motion in anisotropic and cracked elastic-media, Wave Motion, 3, 343-391.
10. Crampin, S., 1984. An introduction to wave propagation in anisotropic media, Geophys. J. R. astr. Soc., 76, 17-28.
11. Crampin, S., 1985. Evidence for aligned cracks in the Earth's crust, First Break, 3, 12-15.
12. Crampin, S., 1989. Suggestions for a consistent terminology for seismic anisotropy, Geophys. Prospect., 37, 753-770.
13. Daley, P.F. & Hron, F., 1979. Reflection and transmission coefficients for seismic waves in ellipsoidally anisotropic media, Bull. seism. Soc. Am., 44, 27-38.
14. Fuchs, K. & Müller, G., 1971. Computation of synthetic seismograms with the reflectivity method and comparison with observations, Geophys. J. R. astr. Soc., 23, 417-433.
15. Griffin, W.L. & O'Reilly, S.Y., 1987. Is the continental Moho the crust-mantle boundary, Geology, 15, 241-244.
16. Jacob, A.W.B. & Booth, D.C., 1977. Observation of PS reflections from the Moho, J. Geophys., 43, 687-692.
17. Jones, K.A., Warner, M.R., Morgan, R.P.L., Morgan, J.V., Barton, P.J., & Price, C.E., 1996. Coincident normal-incidence and wide-angle reflections from the Moho: evidence for crustal seismic anisotropy, Tectonophysics, 264, 205-217.
18. Klemperer, S. & Hobbs, R., 1991. The BIRPS Atlas. Cambridge University Press, Cambridge.
19. Levin, F.K., 1978. The reflection, refraction, and diffraction of waves in media with an elliptical velocity dependence, Geophysics, 43, 528-537.
20. McKenzie, D. & Bickle, M.J., 1988. The volume and composition of melt generated by extension of the lithosphere, J. Petrol., 29, 625-679.
21. Morgan, R.P.L., 1995. The structure of the lithospheres north of Scotland PhD thesis, University of Cambridge.
22. Nishizawa, O., 1982. Seismic velocity anisotropy in a medium containing oriented cracks - transversely isotropic case, J. Phys. Earth, 30, 331-347.
23. Postma, G.W., 1955. Wave propagation in a stratified medium, Geophysics, 20, 3-17.
24. Sambridge, M. & Drijkoningen, G., 1992. Genetic algorithms in seismic waveform inversion, Geophys. J. Int., 109, 323-342.
25. Sayers, C.M., 1988. Inversion of ultrasonic wave velocity measurements to obtain the microcrack orientation distribution function in rocks, Ultrasonics, 26, 73-77.
26. Sayers, C.M., 1994. The elastic anisotropy of shales, J. geophys. Res., 99, 767-774.
27. Seront, B., Mainprice, D. & Christensen, N.I., 1993. A determination of the three-dimensional seismic properties of Anorthosite: comparison between values calculated from petrofabric and direct laboratory measurements, J. geophys. Res., 98, 2209-2221.
28. Thomsen, L., 1986. Weak elastic anisotropy, Geophysics, 51, 1954-1966.
29. Thomsen, L., 1988. Reflection seismology over azimuthally anisotropic media, Geophysics, 53, 304-313.
30. Totterdell, I.J., 1990. Lower-crustal velocities from long-offset seismic reflection data PhD thesis, University of Cambridge.
31. Tsvankin, I., 1996. P-wave signatures and notation for transversely isotropic media: an overview, Geophysics, 61, 467-483.
32. Tsvankin, I., 1997a. Anisotropic parameters and P-wave velocity for orthorhombic media, Geophysics, 62, 1292-1309.
33. Tsvankin, I., 1997b. Reflection moveout and parameter estimation for horizontal transverse isotropy, Geophysics, 62, 614-629.
34. Tsvankin, I. & Thomsen, L., 1994. Nonhyperbolic reflection moveout in anisotropic media, Geophysics, 59, 1290-1304.
35. Warner, M., Morgan, J., Barton, P., Morgan, P., Price, C. & Jones, K., 1996. Seismic reflections from the upper mantle represent relict subduction zones within the continental lithosphere Geology. 24, 39-42.
36. White, R. & McKenzie, D., 1989. Magmatism at rift zones: the generation of volcanic continental margins and flood basalts, J. geophys. Res., 94, 7685-7729.
37. Wild, P. & Crampin, S., 1991. The range of effects of azimuthal isotropy and EDA anisotropy in sedimentary basins, Geophys. J. Int., 107, 513-529.
38. Willis, J.R., 1977. Bounda and self-consistent estimates for the properties of anisotropic composites, J. Mech. Phys. Sol., 25, 185-202.
39. Winterstein, D.F., 1990. Velocity anisotropy terminology for geophysicists, Geophysics. 55, 1070-1088.